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Finding the Fourth Proportional to 237,077.80, 355,616.70 and 124,714.60

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Solution

The fourth proportional to 237,077.80, 355,616.70 and 124,714.60 is: 187,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,077.80 : 355,616.70 = 124,714.60 : x
  2. Step 2: Convert to fraction form
    237,077.80/355,616.70 = 124,714.60/x
  3. Step 3: Cross multiply
    237,077.80x = 355,616.70 × 124,714.60
  4. Step 4: Simplify right side
    237,077.80x = 44,350,594,493.82
  5. Step 5: Solve for x
    x = 44,350,594,493.82/237,077.80
  6. Step 6: Final answer
    x = 187,071.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.